0.002 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.003 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.006 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.008 * * * * [points]: Setting MPFR precision to 64
0.010 * * * * [points]: Setting MPFR precision to 320
0.012 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.014 * * * * [points]: Setting MPFR precision to 64
0.017 * * * * [points]: Setting MPFR precision to 320
0.021 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.023 * * * * [points]: Setting MPFR precision to 64
0.029 * * * * [points]: Setting MPFR precision to 320
0.036 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.038 * * * * [points]: Setting MPFR precision to 64
0.049 * * * * [points]: Setting MPFR precision to 320
0.061 * * * * [points]: Computing exacts for 256 points
0.063 * * * * [points]: Setting MPFR precision to 64
0.095 * * * * [points]: Setting MPFR precision to 320
0.127 * * * * [points]: Filtering points with unrepresentable outputs
0.129 * * * * [points]: Sampled 256 points with exact outputs
0.129 * * * [progress]: [2/2] Setting up program.
0.140 * [progress]: [Phase 2 of 3] Improving.
0.140 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))>
0.140 * [simplify]: Simplifying (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1))
0.140 * * [simplify]: iters left: 4 (11 enodes)
0.143 * * [simplify]: iters left: 3 (43 enodes)
0.151 * * [simplify]: iters left: 2 (148 enodes)
0.240 * * [simplify]: Extracting #0: cost 1 inf + 0
0.240 * * [simplify]: Extracting #1: cost 40 inf + 0
0.240 * * [simplify]: Extracting #2: cost 128 inf + 322
0.242 * * [simplify]: Extracting #3: cost 222 inf + 10234
0.248 * * [simplify]: Extracting #4: cost 153 inf + 124713
0.265 * * [simplify]: Extracting #5: cost 28 inf + 253727
0.284 * * [simplify]: Extracting #6: cost 1 inf + 271088
0.309 * * [simplify]: Extracting #7: cost 0 inf + 269810
0.320 * * [simplify]: Extracting #8: cost 0 inf + 269170
0.329 * [simplify]: Simplified to (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.329 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
0.340 * * [progress]: iteration 1 / 4
0.340 * * * [progress]: picking best candidate
0.350 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.350 * * * [progress]: localizing error
0.436 * * * [progress]: generating rewritten candidates
0.436 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.442 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.449 * * * [progress]: generating series expansions
0.449 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.449 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.449 * * * [progress]: simplifying candidates
0.449 * * * * [progress]: [ 1 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
0.449 * [simplify]: Simplifying (neg.p16 d1)
0.449 * * [simplify]: iters left: 1 (2 enodes)
0.449 * * [simplify]: Extracting #0: cost 1 inf + 0
0.449 * * [simplify]: Extracting #1: cost 2 inf + 0
0.449 * * [simplify]: Extracting #2: cost 1 inf + 1
0.449 * * [simplify]: Extracting #3: cost 0 inf + 82
0.449 * [simplify]: Simplified to (neg.p16 d1)
0.449 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))
0.450 * * * * [progress]: [ 2 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (+.p16 (neg.p16 d3) (-.p16 d4 d1)))))>
0.450 * * * * [progress]: [ 3 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
0.450 * * * * [progress]: [ 4 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.450 * * * * [progress]: [ 5 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d4 d1) (-.p16 d2 d3))))>
0.450 * * * * [progress]: [ 6 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.450 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.450 * * [simplify]: iters left: 2 (4 enodes)
0.451 * * [simplify]: iters left: 1 (16 enodes)
0.455 * * [simplify]: Extracting #0: cost 1 inf + 0
0.455 * * [simplify]: Extracting #1: cost 10 inf + 0
0.456 * * [simplify]: Extracting #2: cost 12 inf + 1
0.456 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.456 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.457 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.457 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.458 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.458 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.458 * * * * [progress]: [ 7 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
0.458 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
0.458 * * [simplify]: iters left: 2 (4 enodes)
0.460 * * [simplify]: iters left: 1 (16 enodes)
0.465 * * [simplify]: Extracting #0: cost 1 inf + 0
0.465 * * [simplify]: Extracting #1: cost 10 inf + 0
0.465 * * [simplify]: Extracting #2: cost 12 inf + 1
0.466 * * [simplify]: Extracting #3: cost 13 inf + 885
0.466 * * [simplify]: Extracting #4: cost 8 inf + 2697
0.466 * * [simplify]: Extracting #5: cost 2 inf + 6266
0.467 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.467 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
0.467 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
0.467 * * * * [progress]: [ 8 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))>
0.467 * * * * [progress]: [ 9 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.468 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.468 * * [simplify]: iters left: 3 (8 enodes)
0.471 * * [simplify]: iters left: 2 (42 enodes)
0.486 * * [simplify]: iters left: 1 (117 enodes)
0.537 * * [simplify]: Extracting #0: cost 1 inf + 0
0.537 * * [simplify]: Extracting #1: cost 24 inf + 0
0.538 * * [simplify]: Extracting #2: cost 56 inf + 1
0.538 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.539 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.542 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.546 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.551 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.556 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.556 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.556 * * * * [progress]: [ 10 / 10 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
0.556 * [simplify]: Simplifying (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)))
0.556 * * [simplify]: iters left: 3 (8 enodes)
0.558 * * [simplify]: iters left: 2 (42 enodes)
0.566 * * [simplify]: iters left: 1 (117 enodes)
0.591 * * [simplify]: Extracting #0: cost 1 inf + 0
0.591 * * [simplify]: Extracting #1: cost 24 inf + 0
0.591 * * [simplify]: Extracting #2: cost 56 inf + 1
0.591 * * [simplify]: Extracting #3: cost 108 inf + 1181
0.593 * * [simplify]: Extracting #4: cost 85 inf + 24120
0.595 * * [simplify]: Extracting #5: cost 33 inf + 70189
0.601 * * [simplify]: Extracting #6: cost 1 inf + 97168
0.605 * * [simplify]: Extracting #7: cost 0 inf + 98411
0.609 * [simplify]: Simplified to (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1)
0.609 * [simplify]: Simplified (2) to (λ (d1 d2 d3 d4) (*.p16 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1)) d1))
0.609 * * * [progress]: adding candidates to table
0.756 * * [progress]: iteration 2 / 4
0.756 * * * [progress]: picking best candidate
0.796 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
0.796 * * * [progress]: localizing error
0.914 * * * [progress]: generating rewritten candidates
0.914 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.920 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
0.923 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
0.927 * * * [progress]: generating series expansions
0.927 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.927 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
0.927 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
0.927 * * * [progress]: simplifying candidates
0.927 * * * * [progress]: [ 1 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
0.928 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
0.928 * * [simplify]: iters left: 2 (4 enodes)
0.930 * * [simplify]: iters left: 1 (16 enodes)
0.935 * * [simplify]: Extracting #0: cost 1 inf + 0
0.935 * * [simplify]: Extracting #1: cost 10 inf + 0
0.935 * * [simplify]: Extracting #2: cost 12 inf + 1
0.935 * * [simplify]: Extracting #3: cost 11 inf + 1249
0.936 * * [simplify]: Extracting #4: cost 6 inf + 3901
0.936 * * [simplify]: Extracting #5: cost 1 inf + 7028
0.936 * * [simplify]: Extracting #6: cost 0 inf + 8390
0.937 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
0.937 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
0.937 * * * * [progress]: [ 2 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
0.937 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))
0.938 * * [simplify]: iters left: 4 (7 enodes)
0.940 * * [simplify]: iters left: 3 (30 enodes)
0.951 * * [simplify]: iters left: 2 (69 enodes)
0.980 * * [simplify]: iters left: 1 (247 enodes)
1.141 * * [simplify]: Extracting #0: cost 1 inf + 0
1.141 * * [simplify]: Extracting #1: cost 3 inf + 0
1.141 * * [simplify]: Extracting #2: cost 3 inf + 1
1.141 * * [simplify]: Extracting #3: cost 37 inf + 1
1.141 * * [simplify]: Extracting #4: cost 169 inf + 571
1.143 * * [simplify]: Extracting #5: cost 315 inf + 23094
1.151 * * [simplify]: Extracting #6: cost 214 inf + 199639
1.168 * * [simplify]: Extracting #7: cost 28 inf + 439637
1.190 * * [simplify]: Extracting #8: cost 0 inf + 479601
1.209 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))
1.209 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))
1.209 * * * * [progress]: [ 3 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
1.210 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
1.210 * * [simplify]: iters left: 2 (4 enodes)
1.211 * * [simplify]: iters left: 1 (16 enodes)
1.214 * * [simplify]: Extracting #0: cost 1 inf + 0
1.214 * * [simplify]: Extracting #1: cost 10 inf + 0
1.214 * * [simplify]: Extracting #2: cost 12 inf + 1
1.214 * * [simplify]: Extracting #3: cost 13 inf + 885
1.214 * * [simplify]: Extracting #4: cost 8 inf + 2697
1.214 * * [simplify]: Extracting #5: cost 2 inf + 6266
1.214 * * [simplify]: Extracting #6: cost 0 inf + 8390
1.215 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
1.215 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
1.215 * * * * [progress]: [ 4 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)))>
1.215 * [simplify]: Simplifying (*.p16 (neg.p16 (-.p16 d3 (-.p16 d4 d1))) d1)
1.215 * * [simplify]: iters left: 4 (7 enodes)
1.216 * * [simplify]: iters left: 3 (30 enodes)
1.222 * * [simplify]: iters left: 2 (69 enodes)
1.236 * * [simplify]: iters left: 1 (247 enodes)
1.330 * * [simplify]: Extracting #0: cost 1 inf + 0
1.330 * * [simplify]: Extracting #1: cost 3 inf + 0
1.330 * * [simplify]: Extracting #2: cost 3 inf + 1
1.331 * * [simplify]: Extracting #3: cost 37 inf + 1
1.331 * * [simplify]: Extracting #4: cost 170 inf + 449
1.333 * * [simplify]: Extracting #5: cost 322 inf + 18638
1.338 * * [simplify]: Extracting #6: cost 278 inf + 125122
1.353 * * [simplify]: Extracting #7: cost 38 inf + 422646
1.372 * * [simplify]: Extracting #8: cost 1 inf + 477317
1.405 * * [simplify]: Extracting #9: cost 0 inf + 479879
1.440 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))
1.440 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d1 d3) d4)))))
1.440 * * * * [progress]: [ 5 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1))))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.440 * [simplify]: Simplifying (+.p16 d2 (-.p16 d3 (-.p16 d4 d1)))
1.441 * * [simplify]: iters left: 3 (7 enodes)
1.442 * * [simplify]: iters left: 2 (34 enodes)
1.448 * * [simplify]: iters left: 1 (90 enodes)
1.468 * * [simplify]: Extracting #0: cost 1 inf + 0
1.468 * * [simplify]: Extracting #1: cost 22 inf + 0
1.468 * * [simplify]: Extracting #2: cost 52 inf + 167
1.469 * * [simplify]: Extracting #3: cost 73 inf + 7807
1.470 * * [simplify]: Extracting #4: cost 49 inf + 32248
1.473 * * [simplify]: Extracting #5: cost 5 inf + 71213
1.476 * * [simplify]: Extracting #6: cost 0 inf + 79303
1.480 * [simplify]: Simplified to (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))
1.480 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1))))) (+.p16 (+.p16 d2 d1) (-.p16 d3 d4))))
1.480 * * * * [progress]: [ 6 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))) d1))>
1.480 * * * * [progress]: [ 7 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
1.480 * * * * [progress]: [ 8 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))>
1.480 * [simplify]: Simplifying (neg.p16 (-.p16 d4 d1))
1.480 * * [simplify]: iters left: 2 (4 enodes)
1.481 * * [simplify]: iters left: 1 (15 enodes)
1.483 * * [simplify]: Extracting #0: cost 1 inf + 0
1.483 * * [simplify]: Extracting #1: cost 2 inf + 0
1.483 * * [simplify]: Extracting #2: cost 7 inf + 0
1.483 * * [simplify]: Extracting #3: cost 9 inf + 83
1.483 * * [simplify]: Extracting #4: cost 4 inf + 2134
1.484 * * [simplify]: Extracting #5: cost 0 inf + 5180
1.484 * [simplify]: Simplified to (neg.p16 (-.p16 d4 d1))
1.484 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 d3) (neg.p16 (-.p16 d4 d1)))))
1.484 * * * * [progress]: [ 9 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
1.484 * [simplify]: Simplifying (-.p16 d4 d1)
1.484 * * [simplify]: iters left: 1 (3 enodes)
1.486 * * [simplify]: Extracting #0: cost 1 inf + 0
1.486 * * [simplify]: Extracting #1: cost 6 inf + 0
1.486 * * [simplify]: Extracting #2: cost 5 inf + 44
1.486 * * [simplify]: Extracting #3: cost 0 inf + 1571
1.487 * [simplify]: Simplified to (-.p16 d4 d1)
1.487 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
1.488 * * * * [progress]: [ 10 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (neg.p16 (-.p16 d3 (-.p16 d4 d1))))))>
1.488 * * * * [progress]: [ 11 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (-.p16 d3 (-.p16 d4 d1)) (-.p16 d3 (-.p16 d4 d1)))) (+.p16 d2 (-.p16 d3 (-.p16 d4 d1))))))>
1.488 * * * * [progress]: [ 12 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))>
1.488 * [simplify]: Simplifying (neg.p16 d1)
1.488 * * [simplify]: iters left: 1 (2 enodes)
1.489 * * [simplify]: Extracting #0: cost 1 inf + 0
1.489 * * [simplify]: Extracting #1: cost 2 inf + 0
1.489 * * [simplify]: Extracting #2: cost 1 inf + 1
1.489 * * [simplify]: Extracting #3: cost 0 inf + 82
1.489 * [simplify]: Simplified to (neg.p16 d1)
1.489 * [simplify]: Simplified (2 2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 (-.p16 d3 d4) (neg.p16 d1)))))
1.489 * * * * [progress]: [ 13 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
1.489 * * * * [progress]: [ 14 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d3 (neg.p16 (-.p16 d4 d1))))))>
1.489 * * * * [progress]: [ 15 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (/.p16 (-.p16 (*.p16 d3 d3) (*.p16 (-.p16 d4 d1) (-.p16 d4 d1))) (+.p16 d3 (-.p16 d4 d1))))))>
1.489 * * * * [progress]: [ 16 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.489 * * * * [progress]: [ 17 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.489 * * * * [progress]: [ 18 / 18 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
1.490 * * * [progress]: adding candidates to table
2.067 * * [progress]: iteration 3 / 4
2.067 * * * [progress]: picking best candidate
2.114 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.114 * * * [progress]: localizing error
2.208 * * * [progress]: generating rewritten candidates
2.208 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
2.211 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
2.213 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
2.225 * * * [progress]: generating series expansions
2.225 * * * * [progress]: [ 1 / 3 ] generating series at (2)
2.225 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
2.225 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
2.225 * * * [progress]: simplifying candidates
2.225 * * * * [progress]: [ 1 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
2.225 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
2.225 * * [simplify]: iters left: 2 (4 enodes)
2.226 * * [simplify]: iters left: 1 (16 enodes)
2.229 * * [simplify]: Extracting #0: cost 1 inf + 0
2.229 * * [simplify]: Extracting #1: cost 10 inf + 0
2.229 * * [simplify]: Extracting #2: cost 12 inf + 1
2.229 * * [simplify]: Extracting #3: cost 11 inf + 1249
2.229 * * [simplify]: Extracting #4: cost 6 inf + 3901
2.229 * * [simplify]: Extracting #5: cost 1 inf + 7028
2.229 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.230 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
2.230 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
2.230 * * * * [progress]: [ 2 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (+.p16 (-.p16 d3 d4) d1)))))>
2.230 * [simplify]: Simplifying (*.p16 d1 (neg.p16 (+.p16 (-.p16 d3 d4) d1)))
2.230 * * [simplify]: iters left: 4 (7 enodes)
2.231 * * [simplify]: iters left: 3 (24 enodes)
2.235 * * [simplify]: iters left: 2 (51 enodes)
2.244 * * [simplify]: iters left: 1 (120 enodes)
2.283 * * [simplify]: Extracting #0: cost 1 inf + 0
2.283 * * [simplify]: Extracting #1: cost 3 inf + 0
2.283 * * [simplify]: Extracting #2: cost 3 inf + 1
2.283 * * [simplify]: Extracting #3: cost 24 inf + 1
2.283 * * [simplify]: Extracting #4: cost 69 inf + 491
2.284 * * [simplify]: Extracting #5: cost 92 inf + 17146
2.287 * * [simplify]: Extracting #6: cost 53 inf + 72859
2.292 * * [simplify]: Extracting #7: cost 10 inf + 127073
2.298 * * [simplify]: Extracting #8: cost 0 inf + 139724
2.309 * [simplify]: Simplified to (*.p16 d1 (neg.p16 (+.p16 d1 (-.p16 d3 d4))))
2.310 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (+.p16 d1 (-.p16 d3 d4))))))
2.310 * * * * [progress]: [ 3 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
2.310 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
2.310 * * [simplify]: iters left: 2 (4 enodes)
2.311 * * [simplify]: iters left: 1 (16 enodes)
2.316 * * [simplify]: Extracting #0: cost 1 inf + 0
2.316 * * [simplify]: Extracting #1: cost 10 inf + 0
2.316 * * [simplify]: Extracting #2: cost 12 inf + 1
2.316 * * [simplify]: Extracting #3: cost 13 inf + 885
2.316 * * [simplify]: Extracting #4: cost 8 inf + 2697
2.316 * * [simplify]: Extracting #5: cost 2 inf + 6266
2.316 * * [simplify]: Extracting #6: cost 0 inf + 8390
2.317 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
2.317 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
2.317 * * * * [progress]: [ 4 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (+.p16 (-.p16 d3 d4) d1)) d1)))>
2.317 * [simplify]: Simplifying (*.p16 (neg.p16 (+.p16 (-.p16 d3 d4) d1)) d1)
2.317 * * [simplify]: iters left: 4 (7 enodes)
2.319 * * [simplify]: iters left: 3 (24 enodes)
2.322 * * [simplify]: iters left: 2 (51 enodes)
2.331 * * [simplify]: iters left: 1 (120 enodes)
2.369 * * [simplify]: Extracting #0: cost 1 inf + 0
2.369 * * [simplify]: Extracting #1: cost 3 inf + 0
2.369 * * [simplify]: Extracting #2: cost 3 inf + 1
2.370 * * [simplify]: Extracting #3: cost 24 inf + 1
2.370 * * [simplify]: Extracting #4: cost 71 inf + 207
2.372 * * [simplify]: Extracting #5: cost 93 inf + 16907
2.377 * * [simplify]: Extracting #6: cost 61 inf + 66401
2.386 * * [simplify]: Extracting #7: cost 15 inf + 121180
2.395 * * [simplify]: Extracting #8: cost 0 inf + 140604
2.405 * [simplify]: Simplified to (*.p16 (neg.p16 (+.p16 d3 (-.p16 d1 d4))) d1)
2.405 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d2 d1) (*.p16 (neg.p16 (+.p16 d3 (-.p16 d1 d4))) d1)))
2.405 * * * * [progress]: [ 5 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.405 * [simplify]: Simplifying (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))
2.405 * * [simplify]: iters left: 3 (7 enodes)
2.408 * * [simplify]: iters left: 2 (28 enodes)
2.418 * * [simplify]: iters left: 1 (67 enodes)
2.444 * * [simplify]: Extracting #0: cost 1 inf + 0
2.444 * * [simplify]: Extracting #1: cost 31 inf + 0
2.444 * * [simplify]: Extracting #2: cost 42 inf + 575
2.446 * * [simplify]: Extracting #3: cost 39 inf + 6292
2.448 * * [simplify]: Extracting #4: cost 20 inf + 18789
2.451 * * [simplify]: Extracting #5: cost 2 inf + 33577
2.454 * * [simplify]: Extracting #6: cost 0 inf + 37022
2.456 * [simplify]: Simplified to (+.p16 d2 (-.p16 (+.p16 d1 d3) d4))
2.456 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (-.p16 (+.p16 d1 d3) d4))))
2.457 * * * * [progress]: [ 6 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1)) d1))>
2.457 * * * * [progress]: [ 7 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
2.457 * * * * [progress]: [ 8 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
2.457 * [simplify]: Simplifying (-.p16 d4 d1)
2.457 * * [simplify]: iters left: 1 (3 enodes)
2.458 * * [simplify]: Extracting #0: cost 1 inf + 0
2.458 * * [simplify]: Extracting #1: cost 6 inf + 0
2.459 * * [simplify]: Extracting #2: cost 5 inf + 44
2.459 * * [simplify]: Extracting #3: cost 0 inf + 1571
2.459 * [simplify]: Simplified to (-.p16 d4 d1)
2.459 * [simplify]: Simplified (2 2 2) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
2.459 * * * * [progress]: [ 9 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 d2 (neg.p16 (+.p16 (-.p16 d3 d4) d1)))))>
2.459 * * * * [progress]: [ 10 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1)))))>
2.459 * * * * [progress]: [ 11 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d3 (+.p16 (neg.p16 d4) d1)))))>
2.459 * * * * [progress]: [ 12 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))>
2.459 * * * * [progress]: [ 13 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 d1 (-.p16 d3 d4)))))>
2.459 * * * * [progress]: [ 14 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.459 * * * * [progress]: [ 15 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.459 * * * * [progress]: [ 16 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
2.459 * * * [progress]: adding candidates to table
2.823 * * [progress]: iteration 4 / 4
2.823 * * * [progress]: picking best candidate
2.864 * * * * [pick]: Picked  #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
2.864 * * * [progress]: localizing error
2.983 * * * [progress]: generating rewritten candidates
2.983 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
3.000 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
3.016 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 1)
3.022 * * * [progress]: generating series expansions
3.022 * * * * [progress]: [ 1 / 3 ] generating series at (2)
3.023 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
3.023 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 1)
3.023 * * * [progress]: simplifying candidates
3.023 * * * * [progress]: [ 1 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>
3.023 * [simplify]: Simplifying (*.p16 d1 (-.p16 d4 d1))
3.023 * * [simplify]: iters left: 2 (4 enodes)
3.024 * * [simplify]: iters left: 1 (16 enodes)
3.026 * * [simplify]: Extracting #0: cost 1 inf + 0
3.026 * * [simplify]: Extracting #1: cost 10 inf + 0
3.026 * * [simplify]: Extracting #2: cost 12 inf + 1
3.026 * * [simplify]: Extracting #3: cost 11 inf + 1249
3.026 * * [simplify]: Extracting #4: cost 6 inf + 3901
3.027 * * [simplify]: Extracting #5: cost 1 inf + 7028
3.027 * * [simplify]: Extracting #6: cost 0 inf + 8390
3.027 * [simplify]: Simplified to (*.p16 d1 (-.p16 d4 d1))
3.027 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))
3.027 * * * * [progress]: [ 2 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 (neg.p16 d1))))>
3.027 * [simplify]: Simplifying (*.p16 d1 (neg.p16 d1))
3.027 * * [simplify]: iters left: 2 (3 enodes)
3.028 * * [simplify]: iters left: 1 (6 enodes)
3.029 * * [simplify]: Extracting #0: cost 1 inf + 0
3.029 * * [simplify]: Extracting #1: cost 3 inf + 0
3.029 * * [simplify]: Extracting #2: cost 2 inf + 1
3.029 * * [simplify]: Extracting #3: cost 0 inf + 483
3.029 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
3.029 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (+.p16 (-.p16 d2 d3) d4)) (*.p16 (neg.p16 d1) d1)))
3.029 * * * * [progress]: [ 3 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))>
3.029 * [simplify]: Simplifying (*.p16 (-.p16 d4 d1) d1)
3.029 * * [simplify]: iters left: 2 (4 enodes)
3.030 * * [simplify]: iters left: 1 (16 enodes)
3.032 * * [simplify]: Extracting #0: cost 1 inf + 0
3.032 * * [simplify]: Extracting #1: cost 10 inf + 0
3.033 * * [simplify]: Extracting #2: cost 12 inf + 1
3.033 * * [simplify]: Extracting #3: cost 13 inf + 885
3.033 * * [simplify]: Extracting #4: cost 8 inf + 2697
3.033 * * [simplify]: Extracting #5: cost 2 inf + 6266
3.033 * * [simplify]: Extracting #6: cost 0 inf + 8390
3.033 * [simplify]: Simplified to (*.p16 (-.p16 d4 d1) d1)
3.033 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (-.p16 d2 d3) d1) (*.p16 (-.p16 d4 d1) d1)))
3.033 * * * * [progress]: [ 4 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) d1) (*.p16 (neg.p16 d1) d1)))>
3.034 * [simplify]: Simplifying (*.p16 (neg.p16 d1) d1)
3.034 * * [simplify]: iters left: 2 (3 enodes)
3.034 * * [simplify]: iters left: 1 (6 enodes)
3.035 * * [simplify]: Extracting #0: cost 1 inf + 0
3.035 * * [simplify]: Extracting #1: cost 3 inf + 0
3.035 * * [simplify]: Extracting #2: cost 2 inf + 1
3.035 * * [simplify]: Extracting #3: cost 0 inf + 483
3.035 * [simplify]: Simplified to (*.p16 (neg.p16 d1) d1)
3.035 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (+.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) d1) (*.p16 (neg.p16 d1) d1)))
3.035 * * * * [progress]: [ 5 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
3.035 * [simplify]: Simplifying (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)
3.035 * * [simplify]: iters left: 3 (7 enodes)
3.037 * * [simplify]: iters left: 2 (28 enodes)
3.043 * * [simplify]: iters left: 1 (69 enodes)
3.056 * * [simplify]: Extracting #0: cost 1 inf + 0
3.056 * * [simplify]: Extracting #1: cost 28 inf + 0
3.057 * * [simplify]: Extracting #2: cost 45 inf + 86
3.057 * * [simplify]: Extracting #3: cost 46 inf + 4229
3.058 * * [simplify]: Extracting #4: cost 22 inf + 17381
3.059 * * [simplify]: Extracting #5: cost 5 inf + 30688
3.061 * * [simplify]: Extracting #6: cost 0 inf + 37097
3.062 * [simplify]: Simplified to (+.p16 (-.p16 (+.p16 d2 d4) d3) d1)
3.062 * [simplify]: Simplified (2 2) to (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (-.p16 (+.p16 d2 d4) d3) d1)))
3.063 * * * * [progress]: [ 6 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1) d1))>
3.063 * * * * [progress]: [ 7 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))>
3.063 * [simplify]: Simplifying (-.p16 d2 d3)
3.063 * * [simplify]: iters left: 1 (3 enodes)
3.063 * * [simplify]: Extracting #0: cost 1 inf + 0
3.064 * * [simplify]: Extracting #1: cost 6 inf + 0
3.064 * * [simplify]: Extracting #2: cost 5 inf + 44
3.064 * * [simplify]: Extracting #3: cost 0 inf + 1571
3.064 * [simplify]: Simplified to (-.p16 d2 d3)
3.064 * [simplify]: Simplified (2 2 1) to (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))
3.064 * * * * [progress]: [ 8 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (+.p16 (-.p16 d3 d4) d1))))>
3.064 * * * * [progress]: [ 9 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (+.p16 (-.p16 d2 d3) d4) (neg.p16 d1))))>
3.064 * * * * [progress]: [ 10 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (/.p16 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1)) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1))))>
3.064 * * * * [progress]: [ 11 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d2 (+.p16 (neg.p16 d3) d4)) d1)))>
3.064 * * * * [progress]: [ 12 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (-.p16 d2 (-.p16 d3 d4)) d1)))>
3.064 * * * * [progress]: [ 13 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 d4 (-.p16 d2 d3)) d1)))>
3.064 * * * * [progress]: [ 14 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
3.064 * * * * [progress]: [ 15 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
3.064 * * * * [progress]: [ 16 / 16 ] simplifiying candidate #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 (+.p16 (-.p16 d2 d3) d4) d1)))>
3.064 * * * [progress]: adding candidates to table
3.285 * [progress]: [Phase 3 of 3] Extracting.
3.285 * * [regime]: Finding splitpoints for: (#<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.286 * * * [regime-changes]: Trying 4 branch expressions: (d4 d3 d2 d1)
3.286 * * * * [regimes]: Trying to branch on d4 from (#<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.424 * * * * [regimes]: Trying to branch on d3 from (#<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.569 * * * * [regimes]: Trying to branch on d2 from (#<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.737 * * * * [regimes]: Trying to branch on d1 from (#<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 d2 d2) (*.p16 (+.p16 (-.p16 d3 d4) d1) (+.p16 (-.p16 d3 d4) d1)))) (+.p16 d2 (+.p16 (-.p16 d3 d4) d1))))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (+.p16 (-.p16 d2 d3) (-.p16 d4 d1))))> #<alt (λ (d1 d2 d3 d4) (/.p16 (*.p16 d1 (-.p16 (*.p16 (+.p16 (-.p16 d2 d3) d4) (+.p16 (-.p16 d2 d3) d4)) (*.p16 d1 d1))) (+.p16 (+.p16 (-.p16 d2 d3) d4) d1)))> #<alt (λ (d1 d2 d3 d4) (-.p16 (+.p16 (-.p16 (*.p16 d1 d2) (*.p16 d1 d3)) (*.p16 d4 d1)) (*.p16 d1 d1)))> #<alt (λ (d1 d2 d3 d4) (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 d2) (*.p16 d1 (neg.p16 (-.p16 (+.p16 d3 d1) d4)))))> #<alt (λ (d1 d2 d3 d4) (+.p16 (*.p16 d1 (-.p16 d2 d3)) (*.p16 d1 (-.p16 d4 d1))))>)
3.883 * * * [regime]: Found split indices: #<option (#s(si 4 256))>
3.883 * [simplify]: Simplifying (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))))
3.883 * * [simplify]: iters left: 4 (8 enodes)
3.884 * * [simplify]: Extracting #0: cost 1 inf + 0
3.884 * * [simplify]: Extracting #1: cost 3 inf + 0
3.884 * * [simplify]: Extracting #2: cost 4 inf + 1
3.884 * * [simplify]: Extracting #3: cost 5 inf + 2
3.884 * * [simplify]: Extracting #4: cost 5 inf + 3
3.884 * * [simplify]: Extracting #5: cost 0 inf + 1057
3.884 * [simplify]: Simplified to (*.p16 d1 (-.p16 d2 (-.p16 d3 (-.p16 d4 d1))))
3.884 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
3.957 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
3.958 * * * * [points]: Setting MPFR precision to 64
3.959 * * * * [points]: Setting MPFR precision to 320
3.961 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
3.972 * * * * [points]: Setting MPFR precision to 64
3.975 * * * * [points]: Setting MPFR precision to 320
3.979 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
3.981 * * * * [points]: Setting MPFR precision to 64
3.988 * * * * [points]: Setting MPFR precision to 320
3.995 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
3.997 * * * * [points]: Setting MPFR precision to 64
4.005 * * * * [points]: Setting MPFR precision to 320
4.013 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
4.015 * * * * [points]: Setting MPFR precision to 64
4.033 * * * * [points]: Setting MPFR precision to 320
4.049 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
4.051 * * * * [points]: Setting MPFR precision to 64
4.091 * * * * [points]: Setting MPFR precision to 320
4.165 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
4.167 * * * * [points]: Setting MPFR precision to 64
4.269 * * * * [points]: Setting MPFR precision to 320
4.406 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
4.408 * * * * [points]: Setting MPFR precision to 64
4.650 * * * * [points]: Setting MPFR precision to 320
4.891 * * * * [points]: Computing exacts for 8000 points
4.892 * * * * [points]: Setting MPFR precision to 64
5.825 * * * * [points]: Setting MPFR precision to 320
7.002 * * * * [points]: Filtering points with unrepresentable outputs
7.087 * * * * [points]: Sampled 8000 points with exact outputs
9.078 * [regime-testing]: Baseline error score: 64.0
9.084 * [regime-testing]: Oracle error score: 64.0
9.091 * [regime-testing]: End program error score: 0.3847850284265533